EXPERTISE / RESEARCH / APPLICATION
2 records
Senior Researcher in Polymer Materials, Nanocomposites and Sustainable Materials Engineering
Sherif Keshk specialises in polymer materials, nanocomposites and sustainable materials engineering.
View detailsPhD in Physics
Sahbi Hamrouni holds a PhD in Physics.
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Thin films doped with rare-earth ions often suffer from poor crystallinity and low up-conversion quantum yield (UCQY), limiting their use in photonic and energy-conversion devices. Nd3+ ions remain particularly underexplored when doped in thin-film, with no…
View detailsFluorine‐free proton exchange membranes are increasingly required to replace perfluoro sulfonic acid (PFAS) materials in hydrogen fuel cells operating at low humidity and moderate temperatures. In this work, a one‐step grafting–crosslinking strategy was used to fabricate…
View detailsDiclofenac sodium (DCF), a common pharmaceutical contaminant, poses risks to both environmental and human health even at low concentrations. Although environmental levels typically fall within the ng/L–µg/L range, this study investigates DCF sorption in the low‑mg/L…
View detailsFlexible electronic platforms require polymer nanocomposites that integrate high optical transparency, tunable photoluminescence (PL), and efficient proton transport. Conventional poly(vinyl alcohol) (PVA) systems often suffer from limited chain mobility and poor nanoparticle dispersion, leading to trade-offs…
View detailsDiclofenac is a widely used pharmaceutical pollutant that is frequently detected in wastewater and natural waters; however, its reliable on-site quantification remains challenging because of costly instrumentation, labor intensive sample preparation, and electrodes with limited electron-transfer…
View detailsPolyvinyl alcohol (PVA) is valued for its transparency and film-forming ability, but its limited chemical reactivity and weak nanofiller interactions restrict functional tunability. Partially oxidized PVA (OPVA), enriched with ketone and hydroxyl groups, provides a versatile…
View detailsThis study presents a multifunctional hybrid system constructed by interfacing thermally reduced graphene oxide (rGO) nanoflakes with rare-earth-doped Y2O3/ZnO: Er,Yb thin films designed to achieve near-field optical modulation and enhanced charge transport. Here, the rGO layers…
View detailsThis study explores the electrical and dielectric properties of hybrid solid electrolytes made from hydrothermally synthesized La0·56Li0·33TiO3 (LLTO) oxide and oxidized polyvinyl alcohol (OPVA). The influence of LLTO on ionic conductivity and dielectric behavior was assessed…
View detailsThis review critically examines the recent progress in the development of sulfonated polyether sulfone (SPES) and its derivatives (including sulfonated polyether sulfone with open sulfonic acid groups (SPESOS)) as functional matrices for next-generation proton exchange membrane…
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Research into bio-based membranes and catalysts for proton exchange membrane fuel cells and green hydrogen electrolyzers.
View detailsBIO-MICRO-GRADE is a European collaborative research proposal focused on developing a new generation of sustainable, bio-derived materials for solid-state energy storage.
View detailsA submitted proposal to valorize prickly pear biomass into biochar, cellulose and carboxymethyl cellulose for U.S. sustainable materials markets.
View detailsA submitted proposal combining chitosan from marine waste with Tunisian agricultural waste extracts for sustainable cosmetics research.
View detailsA submitted research proposal exploring bioactive compounds from olive-mill waste for potential cancer-therapy materials applications.
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